Na4 Nb8 P4 S40

metal

· Na4 Nb8 P4 S40

Na4Nb8P4S40 is an experimental mixed-metal phosphide sulfide compound containing sodium, niobium, phosphorus, and sulfur. This research-phase material belongs to the family of transition metal chalcogenides and is primarily investigated for energy storage and catalytic applications due to the electrochemical activity of niobium and the favorable electronic properties imparted by phosphide-sulfide hybridization. The material is not yet deployed in mainstream engineering, but represents promising exploratory work in battery electrode materials and electrocatalysis, where similar niobium-based compounds have shown advantages for high-capacity storage and hydrogen evolution reaction catalysis.

battery electrode materials (research)electrocatalysis (hydrogen evolution)energy storage devices (developmental)electrochemical applicationsmaterials researchphosphide-sulfide hybrid compounds

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-0.7520	eV/atom	—

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Regulatory Screening

Environmental

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RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Na4 Nb8 P4 S40

Other Properties

Regulatory Screening

Environmental

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